title: Effective homodyne optical phase locking to PSK signal by means of 8b10b line coding.
abstract: We demonstrate a novel technique that allows effective homodyne optical phase locking to a phase shift keying (PSK) signal with a residual carrier. We exploit 8b10b coding of the signal in order to reduce its low frequency spectral content, suppressing the data-to-phase crosstalk effect. In a transmission experiment on a 10 Gb/s binary PSK signal (8 Gb/s before coding), we achieved transmission over 215 km of dispersion-compensated, installed single-mode fibre, with no penalty compared to back-to-back at a bit error ratio of 10(-3). The proposed solution is applicable to other modulation formats, including multi-level amplitude and/or phase modulation formats.
authors.affiliation: Scuola Superiore Sant’Anna, Piazza Martiri della Libertà, 33 - 56127 Pisa, Italy.
authors.forename: Andrea
authors.initials: A
authors.lastname: Chiuchiarelli
authors.forename: Martyn J
authors.initials: MJ
authors.lastname: Fice
authors.forename: Ernesto
authors.initials: E
authors.lastname: Ciaramella
authors.forename: Alwyn J
authors.initials: AJ
authors.lastname: Seeds
mesh_terms: D003195:Computer Communication Networks / Q000295:instrumentation*; D004867:Equipment Design; D019544:Equipment Failure Analysis; D055096:Optical Devices; D012031:Refractometry / Q000295:instrumentation*; D012815:Signal Processing, Computer-Assisted / Q000295:instrumentation*; D013685:Telecommunications / Q000295:instrumentation*